87789275

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1283}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 137562624

約数和(自身を除く): 49773349

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 391, 425, 575, 595, 805, 1283, 1955, 2737, 2975, 4025, 6415, 8981, 9775, 13685, 21811, 29509, 32075, 44905, 68425, 109055, 147545, 152677, 206563, 224525, 501653, 545275, 737725, 763385, 1032815, 2508265, 3511571, 3816925, 5164075, 12541325, 17557855, 87789275]

約数ペア:

[(1, 87789275), (5, 17557855), (7, 12541325), (17, 5164075), (23, 3816925), (25, 3511571), (35, 2508265), (85, 1032815), (115, 763385), (119, 737725), (161, 545275), (175, 501653), (391, 224525), (425, 206563), (575, 152677), (595, 147545), (805, 109055), (1283, 68425), (1955, 44905), (2737, 32075), (2975, 29509), (4025, 21811), (6415, 13685), (8981, 9775)]